Re: [PATCH net-next 0/2] net: mvpp2: Remove unnecessary dynamic allocs

[David Miller]

From: Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx>
Date: Mon, 26 Mar 2018 15:34:21 +0200

> Some utility functions in mvpp2 make use of dynamic alloc to exchange temporary
> objects representing Parser Entries (which are generic filtering entries in the
> PPv2 controller).
> 
> These objects are small (44 bytes each), we can use the stack to exchange them.
> 
> Some previous discussion on this topic showed that the mvpp2_prs_hw_read, which
> initializes a struct mvpp2_prs_entry based on one of its fields, can easily lead
> to erroneous code if we don't zero-out the struct beforehand :
> 
> https://lkml.org/lkml/2018/3/21/739
> 
> To fix this, I propose to rename mvpp2_prs_hw_read into mvpp2_prs_init_from_hw,
> make it zero-out the struct and take the index as a parameter. That's what's
> done in the first patch of the series.
> 
> The second patch is the V3 of
> ("net: mvpp2: Don't use dynamic allocs for local variables"), making use of
> mvpp2_prs_init_from_hw and taking previous comments into account.

Series applied, thank you.